IEC Mullard KT88 Tube = 6550 TESTED STRONG

The tube was tested on TV-7D/U at 90-90/56 min good with 40=65% and 86-88=100% on this tube tester. Again, price is for ONE tube.

Mullard 10M ECC82 12AU7 NOS NIB Gold Pins Tested Strong Excellent Sounding

📦 Shop vacuum tube with free shipping and free return. This is the vacuum tube, it's convenient to clean with a wet sponge and a cotton cloth after

New Mullard KT88 Vacuum Tube Russia Tube Replace 6550 6550C UK-KT88 KT150 KT120 KT88 Electron Tube Factory Test And Match

Power Tubes

KT88 - Mullard

Watford Valves :: Testing

Tung-Sol 6550, Lightly Used

Mullard Vintage Power Tubes Sockets

JJ KT88 Power Vacuum Tube

Mullard Great Britain 6GW8/ECL86 Gray/Silver Plate 3 Mica